debug ipv6 ra

Enables router advertisement (RA) message debug logs and displays the debugging information about ingoing and outgoing RA messages.
Syntax
debug ipv6 ra
no debug ipv6 ra
Modes

Privileged EXEC mode

Usage Guidelines

The no form of the command disables the RA debug logs.

Examples

The following example displays debugging information for Recursive DNS server (RDNSS) address entries in an RA message.

device# debug ipv6 ra
…
ICMPv6-RA:  DNS server list with lifetime 400
          [1] DNS address 1::1
          [2] DNS address 1::2
ICMPv6-RA:  DNS server list with lifetime 800
          [1] DNS address 1::5
          [2] DNS address 1::6
ICMPv6-RA:  DNS server list with lifetime 1200
          [1] DNS address 1::3
          [2] DNS address 1::4
…

The following example displays debugging information for Domain Name System Search List (DNSSL) entries in an RA message.

device# debug ipv6 ra
…
ICMPv6-RA:  Domain Name list with lifetime 400
          [1] Domain Name a.com
          [2] Domain Name b.com
          [3] Domain Name c.com
          [4] Domain Name d.com

ICMPv6-RA:  Domain Name list with lifetime 800
          [1] Domain Name h.com
          [2] Domain Name i.com
          [3] Domain Name j.com
          [4] Domain Name k.com
          [5] Domain Name l.com

ICMPv6-RA:  Domain Name list with lifetime 1200
          [1] Domain Name e.com
          [2] Domain Name f.com
…
History
Release version Command history
08.0.80 This command was modified to display information about DNSSL and RDNSS entries.